/Engine/Source/Runtime/UMG/Public/Components/TreeView.h
template<typename ObjectT> void SetOnGetItemChildren ( [TSharedRef](API\Runtime\Core\Templates\TSharedRef)< ObjectT > InUserObject, typename TSlateDelegates< [UObject](API\Runtime\CoreUObject\UObject\UObject) * >::FOnGetChildren::TMethodPtr< ObjectT > InMethodPtr )